For the frog heart, temperature and heart rate are "directly proportional."
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50 percent black coat colour and 50 percent brown coat colour
B. Chloroplasts -- site of lipid synthesis is incorrect. Chloroplasts are important in the process of photosynthesis.
Answer: When no oxygen is present, the electron transport chain can't run
Explanation: I know this because I am in biology and I am passing with a 99
